_id	Tahun	Indeks Kualitas Air (IKA)
1	2018.0	68.0
2	2019.0	46.67
3	2020.0	43.33
4	2021.0	54.4
5	2022.0	55.83
6	2023.0	56.67
7	2018	68.0
8	2019	46.67
9	2020	43.33
10	2021	54.4
11	2022	55.83
12	2023	56.67